# Building Build process is implemented using NPM scripts installed in the **package.json** file. | Command | Description |---|---| |`npm run build` | Build the project in debug mode. | |`npm run build:release` | Build the project in release mode. | |`npm run watch` | Watch the source and behaviors, auto-rebuilds. | |`npm run clean` | Deletes built JavaScript files. | |`npm start` | Alias for `npm run watch`.